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IANDC
1998
64views more  IANDC 1998»
13 years 7 months ago
Positive Versions of Polynomial Time
We show that restricting a number of characterizations of the complexity class P to be positive (in natural ways) results in the same class of (monotone) problems which we denote ...
Clemens Lautemann, Thomas Schwentick, Iain A. Stew...
CORR
1999
Springer
64views Education» more  CORR 1999»
13 years 7 months ago
Polynomial-Time Multi-Selectivity
: We introduce a generalization of Selman's P-selectivity that yields a more exible notion of selectivity, called polynomial-time multi-selectivity, in which the
Lane A. Hemaspaandra, Zhigen Jiang, Jörg Roth...
JSYML
2002
61views more  JSYML 2002»
13 years 7 months ago
On Polynomial Time Computation over Unordered Structures
Andreas Blass, Yuri Gurevich, Saharon Shelah